Senior Offensive Security Engineer

Company Overview ProCircular is a cybersecurity firm that helps organizations see where they’re vulnerable, understand how those gaps get exploited, and build a security program grounded in the real world. We invest in advanced cybersecurity and AI research, then translate complex findings into practical guidance and solutions our clients can actually use. Across assessments, monitoring, incident response, advisory, AI risk, and compliance, ProCircular brings deep technical expertise, practical judgment, and a team that stays involved from initial findings through response and longer-term program development. Trusted by organizations across healthcare, finance, manufacturing, education, transportation and logistics, and government, where downtime and risk carry real operational weight, ProCircular helps teams move from reactive security work to confident decisions, stronger readiness, and better follow-through. Position Summary You will run network penetration tests for organizations across the Midwest, and you will help us build our artificial intelligence (AI) red team practice from the ground up. Most of your first year is traditional offensive work: internal and external netwo…